Commit 0c1c8ff3 authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Vinod Koul

dmaengine: usb-dmac: Add Renesas USB DMA Controller (USB-DMAC) driver

This DMAC is Renesas USB high-speed module DMA controller that
supports slave transfer.

This USB-DMAC has similar register sets with R-Car Gen2 DMAC, but
the USB-DMAC has specific registers to control the USB transactions.
If this code is added into the rcar-dmac driver, it will become
unreadable. So, this driver is independent from the rcar-dmac.

And, this USB-DMAC uses virt-dma infrastructure.
Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent a7267831
...@@ -64,3 +64,12 @@ config RCAR_DMAC ...@@ -64,3 +64,12 @@ config RCAR_DMAC
help help
This driver supports the general purpose DMA controller found in the This driver supports the general purpose DMA controller found in the
Renesas R-Car second generation SoCs. Renesas R-Car second generation SoCs.
config RENESAS_USB_DMAC
tristate "Renesas USB-DMA Controller"
depends on ARCH_SHMOBILE || COMPILE_TEST
select RENESAS_DMA
select DMA_VIRTUAL_CHANNELS
help
This driver supports the USB-DMA controller found in the Renesas
SoCs.
...@@ -17,3 +17,4 @@ obj-$(CONFIG_SUDMAC) += sudmac.o ...@@ -17,3 +17,4 @@ obj-$(CONFIG_SUDMAC) += sudmac.o
obj-$(CONFIG_RCAR_HPB_DMAE) += rcar-hpbdma.o obj-$(CONFIG_RCAR_HPB_DMAE) += rcar-hpbdma.o
obj-$(CONFIG_RCAR_AUDMAC_PP) += rcar-audmapp.o obj-$(CONFIG_RCAR_AUDMAC_PP) += rcar-audmapp.o
obj-$(CONFIG_RCAR_DMAC) += rcar-dmac.o obj-$(CONFIG_RCAR_DMAC) += rcar-dmac.o
obj-$(CONFIG_RENESAS_USB_DMAC) += usb-dmac.o
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